ceph/src/boost/libs/vmd/test/test_assert_is_empty.cxx

   1
   2 //  (C) Copyright Edward Diener 2011-2015
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6
   7 #include <boost/vmd/assert_is_empty.hpp>
   8 #include <boost/preprocessor/facilities/empty.hpp>
   9 #include <boost/detail/lightweight_test.hpp>
  10
  11 int main()
  12   {
  13
  14 #if BOOST_PP_VARIADICS
  15
  16   #define DATA
  17   #define OBJECT OBJECT2
  18   #define OBJECT2
  19   #define FUNC(x) FUNC2(x)
  20   #define FUNC2(x)
  21
  22   BOOST_VMD_ASSERT_IS_EMPTY(BOOST_PP_EMPTY())
  23   BOOST_VMD_ASSERT_IS_EMPTY(DATA BOOST_PP_EMPTY())
  24   BOOST_VMD_ASSERT_IS_EMPTY(OBJECT BOOST_PP_EMPTY())
  25   BOOST_VMD_ASSERT_IS_EMPTY(FUNC(z) BOOST_PP_EMPTY())
  26
  27 #if BOOST_VMD_MSVC
  28
  29   #define FUNC_GEN() ()
  30   #define FUNC_GEN2(x) ()
  31   #define FUNC_GEN3(x,y) ()
  32
  33   /* This shows that VC++ does not work correctly in these cases. */
  34
  35   BOOST_VMD_ASSERT_IS_EMPTY(FUNC_GEN)  /* This incorrectly does not assert */
  36   BOOST_VMD_ASSERT_IS_EMPTY(FUNC_GEN2) /* This incorrectly does not assert */
  37   BOOST_VMD_ASSERT_IS_EMPTY(FUNC_GEN3) /* This should produce a compiler error but does not and does not assert */
  38
  39 #endif /* BOOST_VMD_MSVC */
  40
  41 #else
  42
  43   BOOST_VMD_ASSERT(0)
  44
  45 #endif /* BOOST_PP_VARIADICS */
  46
  47   return boost::report_errors();
  48
  49   }